[foldcode addon] Add clearOnEnter option
[foldcode addon] Add clearOnEnter option

Add option 'clearOnEnter' to foldcode.js and default it to true.
This option determines whether the marker added when folding a
line clears when the cursor enters it.

Dominator008/CodeMirror,schanzer/CodeMirror,grzegorzmazur/CodeMirror,ejgallego/CodeMirror,thomasjm/CodeMirror,ejgallego/CodeMirror,jkaplon/CodeMirror,jayaprabhakar/CodeMirror,MarcelGerber/CodeMirror,nightwing/CodeMirror,sourcelair/CodeMirror,xeronith/CodeMirror,alur/CodeMirror,codio/CodeMirror,wingify/CodeMirror,thomasjm/CodeMirror,sourcelair/CodeMirror,ficristo/CodeMirror,mtaran-google/CodeMirror,bfrohs/CodeMirror,nightwing/CodeMirror,crazy4chrissi/CodeMirror,ficristo/CodeMirror,jkaplon/CodeMirror,mizchi/CodeMirror,sourcelair/CodeMirror,MarcelGerber/CodeMirror,bfrohs/CodeMirror,bfrohs/CodeMirror,MarcelGerber/CodeMirror,grzegorzmazur/CodeMirror,mtaran-google/CodeMirror,thomasjm/CodeMirror,notepadqq/CodeMirror,Dominator008/CodeMirror,dperetti/CodeMirror,notepadqq/CodeMirror,alur/CodeMirror,xeronith/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,mtaran-google/CodeMirror,dperetti/CodeMirror,alur/CodeMirror,codio/CodeMirror,TDaglis/CodeMirror,pabloferz/CodeMirror,jayaprabhakar/CodeMirror,adobe/CodeMirror2,grzegorzmazur/CodeMirror,schanzer/CodeMirror,rrandom/CodeMirror,schanzer/CodeMirror,mizchi/CodeMirror,SidPresse/CodeMirror,Jisuanke/CodeMirror,Jisuanke/CodeMirror,codio/CodeMirror,rrandom/CodeMirror,Jisuanke/CodeMirror,xeronith/CodeMirror,notepadqq/CodeMirror,pabloferz/CodeMirror,adobe/CodeMirror2,kerabromsmu/CodeMirror,pabloferz/CodeMirror,hackmdio/CodeMirror,adobe/CodeMirror2,dperetti/CodeMirror,Dominator008/CodeMirror,jkaplon/CodeMirror,SidPresse/CodeMirror,wingify/CodeMirror,TDaglis/CodeMirror,ficristo/CodeMirror,kerabromsmu/CodeMirror,namin/CodeMirror,namin/CodeMirror,TDaglis/CodeMirror,rrandom/CodeMirror,INTELOGIE/CodeMirror,hackmdio/CodeMirror,mizchi/CodeMirror,wingify/CodeMirror,INTELOGIE/CodeMirror,crazy4chrissi/CodeMirror,ejgallego/CodeMirror,SidPresse/CodeMirror,INTELOGIE/CodeMirror,kerabromsmu/CodeMirror,namin/CodeMirror,jayaprabhakar/CodeMirror,crazy4chrissi/CodeMirror